Polyester base film for magnetic recording media

Details Polyester base film for magnetic recording media Polyester base film for magnetic recording media

1986-04-11

1988-01-19

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428480, 428694, 428900, G11B 570, B32B 330, B32B 2700

Patent

active

047204125

ABSTRACT:
A biaxially stretched polyester base film having many fine protrusions on its surface, characterized by having the following properties:

REFERENCES:
patent: 4539260 (1985-09-01), Abe et al.
patent: 4578729 (1986-03-01), Suzuki et al.
patent: 4615939 (1986-10-01), Corsi et al.

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